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Author Question: The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ... (Read 138 times)

yoooooman

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on: Aug 27, 2018
The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has
 
  A) 26 protons.
  B) 26 electrons.
  C) a different number of neutrons.
  D) all of the above

Question 2

An iron oxide is 77.7 in iron. Its empirical formula is ________.
 
  A) FeO
  B) Fe2O
  C) Fe2O3
  D) Fe3O4


14vl19

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


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yoooooman

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Reply #2 on: Aug 27, 2018
Thank you!


14vl19

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Reply #3 on: Aug 27, 2018
Always glad to help...


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